v3.26.3
Goodwill and Intangible assets, net - Schedule of Intangible Assets, Net (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Jun. 30, 2026
Intangible Asset, Finite-Lived [Line Items]    
Acquired Intangibles, Gross $ 245 $ 318
Accumulated Amortization (6) (1)
Acquired Intangibles, Net 239 317
Intangible assets not subject to amortization 218  
Foreign currency translation (1)  
Intangible assets not subject to amortization 217  
Total intangible assets 463  
Acquired Intangibles, Net 456 317
In-process research and development    
Intangible Asset, Finite-Lived [Line Items]    
Intangible assets not subject to amortization 70  
Intangible assets not subject to amortization 70  
Connection rights for electricity services    
Intangible Asset, Finite-Lived [Line Items]    
Intangible assets not subject to amortization 148  
Foreign currency translation (1)  
Intangible assets not subject to amortization 147  
Connection rights for electricity services    
Intangible Asset, Finite-Lived [Line Items]    
Acquired Intangibles, Gross 105 253
Accumulated Amortization 0 0
Acquired Intangibles, Net $ 105 $ 253
Weighted-Average Finite Lives (in years) 12 years 12 years
Software licenses    
Intangible Asset, Finite-Lived [Line Items]    
Acquired Intangibles, Gross $ 65 $ 65
Accumulated Amortization (4) (1)
Acquired Intangibles, Net $ 61 $ 64
Weighted-Average Finite Lives (in years) 5 years 6 months 5 years 6 months
Developed technology    
Intangible Asset, Finite-Lived [Line Items]    
Acquired Intangibles, Gross $ 35  
Accumulated Amortization (1)  
Acquired Intangibles, Net $ 34  
Weighted-Average Finite Lives (in years) 6 years  
Customer contracts and related relationships    
Intangible Asset, Finite-Lived [Line Items]    
Acquired Intangibles, Gross $ 40  
Accumulated Amortization (1)  
Acquired Intangibles, Net $ 39  
Weighted-Average Finite Lives (in years) 8 years